On August 14, 1997, Alexei was tonsured a monk by Bishop of Yuzhno-Sakhalinsk and the Kuril Islands with the name Theophanes in honor of St. Theophanes the Confessor, Bishop of Nicea. On August 17, 1997, Theophanes, who was a monk, was ordained a hierodeacon by Bishop Jonathan; Bishop Jonathan thereafter ordained him a hieromonk on August 19. During 1997 and 1998, Fr. Theophanes was a priest at the Resurrection Cathedral in Yuzhno-Sakhalinsk, while serving as director of the cathedral choir and editor of the diocesan newspaper. In 1998, he went to Smolensk to study at the Smolensk Theological Seminary. During this period he was assigned to Assumption Cathedral in Smolensk. In 2000 he graduated from Smolensk Theological Seminary was assigned as a priest to the Diocese of Abakan and Kyzyl. In September 2000, in response to the request of the Bishop Sotirios of Zelon, he was sent to South Korea to serve as pastor to Russian-speaking Eastern Orthodox people, being temporarily assigned as an employee of the DECR of the Moscow Patriarchate to the clergy of the of the Church of Constantinople, which included Korea. To celebrate the church services in Church Slavonic language, he was given a small underground chapel dedicated of St. Maxim the Greek in Seoul, but sometimes he served in other parts of South Korea. At the time of his arrival to the country he did not speak Korean. To study the language he attended daily language classes at the Yonsei University durind two years. On May 16, 2001, he was awarded a pectoral cross at the request of Metropoltan Kirill. On May 6, 2006, he was named Honorary Citizen of Seoul. He received a diploma from the hands of the Mayor of SeoulLee Myung-bak. On June 6, 2006, he was elevated to the rank of hegumen by Metropolitan Kirill at Holy Trinity Catheral of St. Daniel monastery. On October 6, 2011, Holy Synod of the Russian Orthodox Church elected him bishop of the newly established Diocese of Kyzyl and Tyva within the borders of the Tyva Republic. On October 25, 2011, Archbishop Jonathan of Abakan elevated him to the rank of archimandrite.
October 30, 2011 at the Assumption Church in Troitse-Lykovo he was consecrated to the rank of Bishop. The consecration was performed by Patriarch Kirill of Moscow and All Russia, Metropolitan Ambrose of Korea, Metropolitan Juvenal of Krutitsy and Kolomna, Metropolitan Varsonofy of Saransk and Mordovia, Archbishop of Istra, Archbishop of Abakan and Khakassia, Archbishop Mark of Yegoryevsk, Bishop Sergius of Solnechnogorsk, and Bishop of Voskresensk. On November 12, 2011 Bishop Theophanes came to Kyzyl, and on November 13 he celebrate his first divine liturgy after election on Diocese of Kyzyl. At that time Eastern Orthodoxy was considered in Tuva as a religion of ethnic Russians: if a Tuvan was to becomes Eastern Orthodox, he had to forget about the culture of his ancestors and turn into a Russian. For this reason, and also because of the lack of systematic missionary activity, the number of Tuvans who converted to Eastern Orthodoxy was insignificant, while ethnic Russians, who represented 6% of the total population of Tuva, were an ethnic minority and their number were decreasinge over time. In these conditions, he began to study and master the Tuvan culture. All the Church bookstores in Tuva began to sell the Bible in Tuvan, translated by the Institute for Bible Translation, and the translation of liturgical texts into Tuvan began. Missionaries from other regions of Russia were actively invited. On December 4, 2017, in accordance with the new regulations on the awards of the Russian Orthodox Church, Patriarch Kirill of Moscow and all Russia elevated Theophanes to the rank of Archbishop in the Cathedral of Christ the Saviour.
Archbishop of Korea
On April 4, 2019, by the decision of the Holy Synod of the Russian Orthodx Church, he was appointed Archbishop of the of the Patriarchal Exarchate in South-East Asia, becoming locum tenens of the Diocese of Kyzyl.
